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The following Wikimedia Commons file used on this page has been nominated for deletion:

• Roger Shepard with two of his optical illusions March 2019 ASU SciAPP conference.jpg

Participate in the deletion discussion at the nomination page. — Community Tech bot ( talk) 19:36, 21 April 2019 (UTC) reply

That file is no longer used in this article. HouseOfChange ( talk) 03:14, 23 April 2019 (UTC) reply

Roger Shepard died in May 2022 at age 93.

Why is his age listed as 94 (as of today, which would have been his 94th birthday had he survived)???